/*
 * Copyright (C) 2009 Leandro Aparecido <lehphyro@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.metalframework.spring;

import java.util.*;

import javax.persistence.*;

import org.springframework.beans.factory.annotation.*;
import org.springframework.beans.factory.config.*;
import org.springframework.context.annotation.*;
import org.springframework.context.annotation.Scope;
import org.springframework.web.context.*;

public class EntityScopeMetadataResolver extends AnnotationScopeMetadataResolver {

	private static final ScopedProxyMode PROXY_MODE = ScopedProxyMode.NO;
	private static final String ENTITY_SCOPE_NAME = WebApplicationContext.SCOPE_REQUEST;
	
	public EntityScopeMetadataResolver() {
		super(ScopedProxyMode.TARGET_CLASS);
	}
	
	@Override
	public ScopeMetadata resolveScopeMetadata(BeanDefinition definition) {
		if (definition instanceof AnnotatedBeanDefinition) {
			AnnotatedBeanDefinition annDef = (AnnotatedBeanDefinition) definition;
			Map<String, Object> attributes = annDef.getMetadata().getAnnotationAttributes(Scope.class.getName());
			
			if (attributes != null) {
				return super.resolveScopeMetadata(definition);
			}
			
			attributes = annDef.getMetadata().getAnnotationAttributes(Entity.class.getName());
			if (attributes == null) {
				return super.resolveScopeMetadata(definition);
			}
			
			ScopeMetadata metadata = new ScopeMetadata();
			metadata.setScopeName(ENTITY_SCOPE_NAME);
			metadata.setScopedProxyMode(PROXY_MODE);
			
			return metadata;
		}
		
		return super.resolveScopeMetadata(definition);
	}

}
